Free and open source REST API that provides a simple yet effective way to validate and format a phone number.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Software as a Service (SaaS)

Apps similar to Antideo include NumValidate, which is open source with a free version. Other options are Numverify API, RealValidito, DeBounce and Veriphone. In total there are seven Email Marketing Services like Antideo for the web, Mac, Windows and Linux.
Free and open source REST API that provides a simple yet effective way to validate and format a phone number.

Global phone number validation API delivering accurate carrier, line type, country, and location data in secure JSON format. Supports 232 countries, batch validation, and real-time processing. Enables fraud prevention and integrates with web forms and business platforms.

Real-time phone validation, DNC lookup, gender lookup, and ZIP code lookup for US & Canada businesses and developers.




Email list validation tool: Simple, fast & accurate. DeBounce service allows you to upload and validate lists of email addresses quickly and in a secure way. All you have to do is upload an email list to it's web interface. DeBounce also offers API.



The phone number verification API. Veriphone will parse, format and validate phone numbers for all countries/regions of the world.


Phone validation service. Carrier lookup. Identify disconnected numbers, landline or cell, caller ID.
Elite Emailverifier is email verification tool that validates emailslists and helps its customer in identifying fake and incorrect emails from the list. This helps customer save money on incorrect emails and also save the domain reputation.

